Period
to 20 June 2018

The following table provides summary statistics for contract job vacancies advertised in the North West with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 20 June 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
England > North West
6 months to
20 Jun 2018
Same period 2017 Same period 2016
Rank 25 29 27
Rank change year-on-year +4 -2 +14
Contract jobs citing TDD 395 315 437
As % of all contract IT jobs advertised in the North West 6.76% 5.76% 5.65%
As % of the Processes & Methodologies category 7.89% 6.96% 6.80%
Number of daily rates quoted 288 247 327
North West median daily rate £406 £400 £400
Median daily rate % change year-on-year +1.56% - +6.67%
10th Percentile £313 £304 £309
90th Percentile £550 £525 £513
England median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +5.88%
Number of hourly rates quoted 0 1 3
North West median hourly rate - £50.00 £37.50
Median hourly rate % change year-on-year - +33.33% -
England median hourly rate £45.00 £40.00 £42.50
% change year-on-year +12.50% -5.88% -

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the North West with a requirement for process or methodology skills.

All Process and Methodology Skills
North West
Contract vacancies with a requirement for process or methodology skills 5,004 4,527 6,431
As % of all contract IT jobs advertised in the North West 85.58% 82.72% 83.08%
Number of daily rates quoted 3,144 2,763 3,939
North West median daily rate £400 £400 £400
10th Percentile £263 £250 £257
90th Percentile £575 £550 £550
England median daily rate £463 £450 £425
% change year-on-year +2.78% +5.88% +4.94%
Number of hourly rates quoted 252 209 215
North West median hourly rate £23.20 £34.00 £32.50
Median hourly rate % change year-on-year -31.76% +4.62% +30.00%
10th Percentile £12.25 £11.75 £13.00
90th Percentile £53.43 £53.00 £49.90
England median hourly rate £22.00 £25.00 £25.00
% change year-on-year -12.00% - +19.05%

TDD
Job Vacancy Trend in the North West

Job postings citing TDD as a percentage of all IT jobs advertised in the North West.

Job vacancy trend for TDD in the North West

TDD
Contractor Daily Rate Trend in the North West

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in the North West.

Contractor daily rate trend for TDD in the North West

TDD
Contractor Daily Rate Histogram in the North West

The daily rate distribution of IT jobs citing TDD in the North West over the 6 months to 20 June 2018.

Contractor daily rate histogram for TDD in the North West

TDD
Contractor Hourly Rate Trend in the North West

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in the North West.

Contractor hourly rate trend for TDD in the North West

TDD
Contract Job Locations in the North West

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the North West region over the 6 months to 20 June 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Manchester +8 283 £410 +9.33% 153
Cheshire -14 55 £395 -5.95% 19
Lancashire +11 28 £438 +9.50% 21
Merseyside -7 25 £405 -10.00% 16
TDD
England

For the 6 months to 20 June 2018, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the North West region with a requirement for TDD.

1 272 (68.86%) Agile Software Development
2 177 (44.81%) Java
3 169 (42.78%) JavaScript
4 142 (35.95%) BDD
5 130 (32.91%) Scrum
6 125 (31.65%) CSS
7 114 (28.86%) AngularJS
8 107 (27.09%) HTML
9 98 (24.81%) C#
10 95 (24.05%) .NET
10 95 (24.05%) Continuous Integration
11 85 (21.52%) SQL
11 85 (21.52%) Git (software)
12 79 (20.00%) Test Automation
13 78 (19.75%) Kanban
14 75 (18.99%) Spring
14 75 (18.99%) MVC
15 63 (15.95%) Microservices
16 61 (15.44%) Amazon AWS
17 60 (15.19%) Node.js
18 59 (14.94%) DevOps
18 59 (14.94%) React
19 58 (14.68%) SQL Server
20 57 (14.43%) Jenkins
21 56 (14.18%) REST
22 55 (13.92%) Web Services
23 53 (13.42%) Python
24 51 (12.91%) Java 8
25 48 (12.15%) HTML5
26 47 (11.90%) CSS3

TDD
Co-occurring IT Skills in the North West by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 29 (7.34%) Confluence
2 13 (3.29%) Apache
3 10 (2.53%) Tomcat
4 8 (2.03%) CMS
5 7 (1.77%) WebSphere
6 6 (1.52%) JBoss
6 6 (1.52%) NServiceBus
7 5 (1.27%) Commerce Server
8 4 (1.01%) Amazon Alexa
8 4 (1.01%) Cloud Foundry
8 4 (1.01%) Elasticsearch
8 4 (1.01%) SharePoint
9 3 (0.76%) Apache Solr
9 3 (0.76%) OpenStack
9 3 (0.76%) Oracle SOA Suite
9 3 (0.76%) WebLogic
9 3 (0.76%) WildFly
10 2 (0.51%) Apache ServiceMix
10 2 (0.51%) nginx
10 2 (0.51%) WebSphere Application Server
Applications
1 8 (2.03%) Adobe Illustrator
2 2 (0.51%) Microsoft Excel
2 2 (0.51%) MS Visio
Business Applications
1 11 (2.78%) Dynamics CRM
2 2 (0.51%) Salesforce.com CRM
2 2 (0.51%) SAP FI
Cloud Services
1 61 (15.44%) Amazon AWS
2 32 (8.10%) GitHub
3 29 (7.34%) Microsoft Azure
4 15 (3.80%) Amazon EC2
5 9 (2.28%) AWS Lambda
5 9 (2.28%) Serverless
6 8 (2.03%) Amazon S3
7 6 (1.52%) Dynamics 365
7 6 (1.52%) SaaS
7 6 (1.52%) Slack
8 4 (1.01%) Google Cloud Platform
9 3 (0.76%) Amazon ElastiCache
9 3 (0.76%) BrowserStack
9 3 (0.76%) OpenShift
10 2 (0.51%) Amazon CloudWatch
10 2 (0.51%) AWS OpsWorks
10 2 (0.51%) Cloud Computing
10 2 (0.51%) npm
11 1 (0.25%) Basecamp
11 1 (0.25%) Virtual Private Cloud
Communications & Networking
1 10 (2.53%) HTTP
2 7 (1.77%) SMS
3 4 (1.01%) SSL
4 3 (0.76%) DNS
5 2 (0.51%) DSL
5 2 (0.51%) Internet
5 2 (0.51%) TCP/IP
Database & Business Intelligence
1 58 (14.68%) SQL Server
2 43 (10.89%) MySQL
3 32 (8.10%) Relational Database
4 29 (7.34%) NoSQL
5 23 (5.82%) MongoDB
5 23 (5.82%) PostgreSQL
6 10 (2.53%) CouchDB
7 9 (2.28%) Neo4j
7 9 (2.28%) RDBMS
8 8 (2.03%) Big Data
9 7 (1.77%) Apache Cassandra
9 7 (1.77%) RavenDB
10 6 (1.52%) Hadoop
11 5 (1.27%) Amazon DynamoDB
11 5 (1.27%) SQL Server Integration Services
12 4 (1.01%) Redis
13 3 (0.76%) SQL Server 2012
14 2 (0.51%) Couchbase
14 2 (0.51%) Riak
14 2 (0.51%) VoltDB
Development Applications
1 85 (21.52%) Git (software)
2 57 (14.43%) Jenkins
3 44 (11.14%) JIRA
4 35 (8.86%) Jasmine
5 29 (7.34%) Karma Test Runner
6 28 (7.09%) JUnit
7 27 (6.84%) Selenium
8 23 (5.82%) Cucumber
9 20 (5.06%) Visual Studio
10 19 (4.81%) Grunt
11 15 (3.80%) Bitbucket
11 15 (3.80%) Maven
11 15 (3.80%) Team Foundation Server
12 14 (3.54%) webpack
13 13 (3.29%) JMeter
14 12 (3.04%) gulp
15 11 (2.78%) Atlassian Bamboo
15 11 (2.78%) Protractor
16 10 (2.53%) Axure RP
16 10 (2.53%) Subversion
General
1 36 (9.11%) Finance
2 19 (4.81%) Banking
2 19 (4.81%) Retail
3 13 (3.29%) Games
4 7 (1.77%) Marketing
4 7 (1.77%) Telecoms
5 6 (1.52%) Law
6 4 (1.01%) Electronics
6 4 (1.01%) Manufacturing
7 3 (0.76%) Investment Banking
7 3 (0.76%) Legal
7 3 (0.76%) Publishing
8 2 (0.51%) Advertising
8 2 (0.51%) Financial Institution
8 2 (0.51%) Retail Banking
Job Titles
1 278 (70.38%) Developer
2 88 (22.28%) Java Developer
3 50 (12.66%) .NET Developer
4 35 (8.86%) C# Developer
5 30 (7.59%) JavaScript Developer
6 28 (7.09%) Full Stack Developer
7 27 (6.84%) Front End Developer (Client-Side Developer)
8 26 (6.58%) React Developer
9 25 (6.33%) C# .NET Developer
10 22 (5.57%) DevOps Engineer
11 20 (5.06%) Senior Developer
12 17 (4.30%) Software Engineer
13 13 (3.29%) Agile Developer
13 13 (3.29%) Java Engineer
14 12 (3.04%) Angular Developer
14 12 (3.04%) Consultant
14 12 (3.04%) Python Developer
14 12 (3.04%) Scrum Master
15 11 (2.78%) Tester
16 9 (2.28%) Architect
Libraries, Frameworks & Software Standards
1 125 (31.65%) CSS
2 114 (28.86%) AngularJS
3 107 (27.09%) HTML
4 95 (24.05%) .NET
5 75 (18.99%) Spring
6 60 (15.19%) Node.js
7 59 (14.94%) React
8 56 (14.18%) REST
9 55 (13.92%) Web Services
10 48 (12.15%) HTML5
11 47 (11.90%) CSS3
12 46 (11.65%) jQuery
13 45 (11.39%) RESTful
14 44 (11.14%) ASP.NET
15 41 (10.38%) SOAP
16 39 (9.87%) Hibernate
17 33 (8.35%) .NET Framework
17 33 (8.35%) Ajax
17 33 (8.35%) Spring Boot
18 30 (7.59%) XML
Miscellaneous
1 39 (9.87%) User Experience
2 21 (5.32%) Greenfield Project
3 13 (3.29%) Analytical Skills
3 13 (3.29%) Mobile App
4 9 (2.28%) Enterprise Software
5 8 (2.03%) Wiki
6 7 (1.77%) Algorithms
7 5 (1.27%) Virtual Team
8 3 (0.76%) Computer Science
8 3 (0.76%) Data Structures
8 3 (0.76%) iPad
8 3 (0.76%) Semantic Web
9 2 (0.51%) Management Information System
9 2 (0.51%) NHS
9 2 (0.51%) Self-Motivation
10 1 (0.25%) BBC
10 1 (0.25%) Derivative
10 1 (0.25%) Fintech
10 1 (0.25%) Linux Command Line
10 1 (0.25%) Minimum Viable Product
Operating Systems
1 38 (9.62%) Linux
2 16 (4.05%) Android
3 13 (3.29%) Apple iOS
3 13 (3.29%) Windows
4 11 (2.78%) Unix
5 7 (1.77%) Red Hat Enterprise Linux
6 5 (1.27%) Oracle Linux
Processes & Methodologies
1 272 (68.86%) Agile Software Development
2 142 (35.95%) BDD
3 130 (32.91%) Scrum
4 95 (24.05%) Continuous Integration
5 79 (20.00%) Test Automation
6 78 (19.75%) Kanban
7 75 (18.99%) MVC
8 63 (15.95%) Microservices
9 59 (14.94%) DevOps
10 44 (11.14%) OO
11 42 (10.63%) Pair Programming
11 42 (10.63%) Software Engineering
12 38 (9.62%) Front End Development
13 29 (7.34%) SOA
14 28 (7.09%) Mentoring
14 28 (7.09%) Unit Testing
15 27 (6.84%) Continuous Delivery
16 26 (6.58%) Migration
17 25 (6.33%) Open Source
18 24 (6.08%) Refactoring
Programming Languages
1 177 (44.81%) Java
2 169 (42.78%) JavaScript
3 98 (24.81%) C#
4 85 (21.52%) SQL
5 53 (13.42%) Python
6 51 (12.91%) Java 8
7 31 (7.85%) Scala
8 27 (6.84%) Groovy
9 21 (5.32%) TypeScript
10 14 (3.54%) PHP
11 13 (3.29%) Ruby
12 12 (3.04%) Go
13 7 (1.77%) Clojure
13 7 (1.77%) ES6
14 6 (1.52%) Bash Shell
15 5 (1.27%) C
16 4 (1.01%) C++
16 4 (1.01%) Java 9
16 4 (1.01%) PowerShell
16 4 (1.01%) T-SQL
Qualifications
1 7 (1.77%) PMI Certification
1 7 (1.77%) PMP
2 4 (1.01%) Degree
2 4 (1.01%) Security Cleared
3 2 (0.51%) BPSS Clearance
3 2 (0.51%) Computer Science Degree
3 2 (0.51%) SC Cleared
4 1 (0.25%) Numerate Degree
Quality Assurance & Compliance
1 22 (5.57%) QA
2 4 (1.01%) GCP
3 2 (0.51%) Disclosure Scotland
System Software
1 23 (5.82%) Docker
2 11 (2.78%) Virtual Machines
3 3 (0.76%) QEMU
3 3 (0.76%) VMware Infrastructure
4 1 (0.25%) HDFS
4 1 (0.25%) Varnish
Systems Management
1 36 (9.11%) Opscode Chef
2 20 (5.06%) Puppet
3 16 (4.05%) Kubernetes
4 13 (3.29%) Ansible
5 7 (1.77%) Salt
6 3 (0.76%) Business Desktop Deployment
6 3 (0.76%) Kibana
6 3 (0.76%) logstash
7 1 (0.25%) Hadoop YARN
7 1 (0.25%) Mesos
7 1 (0.25%) Systems Management Server (SMS)
7 1 (0.25%) Terraform
Vendors
1 35 (8.86%) Microsoft
2 33 (8.35%) Oracle
3 9 (2.28%) Google
4 8 (2.03%) Atlassian
5 7 (1.77%) hybris
5 7 (1.77%) SaltStack
5 7 (1.77%) SAP
6 6 (1.52%) Red Hat
7 5 (1.27%) Capita
8 3 (0.76%) Ab Initio
8 3 (0.76%) VMware
9 2 (0.51%) Blue Prism
9 2 (0.51%) IBM
9 2 (0.51%) Salesforce.com
9 2 (0.51%) Siebel
9 2 (0.51%) Sitecore
9 2 (0.51%) Splunk
9 2 (0.51%) TIBCO
9 2 (0.51%) Twitter
10 1 (0.25%) WSO2